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https://github.com/Oibaf66/frodo-wii.git
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88 lines
2.2 KiB
Python
88 lines
2.2 KiB
Python
#!/usr/bin/env python
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import Image, sys, functools
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DISPLAY_X = 0x180
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DISPLAY_Y = 0x110
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SCREENSHOT_SCALE = 4
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SCREENSHOT_X = DISPLAY_X / SCREENSHOT_SCALE
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SCREENSHOT_Y = DISPLAY_Y / SCREENSHOT_SCALE
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SCREENSHOT_SIZE = (SCREENSHOT_X * SCREENSHOT_Y) / 2
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reds = [0x00, 0xff, 0x86, 0x4c, 0x88, 0x35, 0x20, 0xcf, 0x88, 0x40, 0xcb, 0x34, 0x68, 0x8b, 0x68, 0xa1]
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greens = [0x00, 0xff, 0x19, 0xc1, 0x17, 0xac, 0x07, 0xf2, 0x3e, 0x2a, 0x55, 0x34, 0x68, 0xff, 0x4a, 0xa1]
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blues = [0x00, 0xff, 0x01, 0xe3, 0xbd, 0x0a, 0xc0, 0x2d, 0x00, 0x00, 0x37, 0x34, 0x68, 0x59, 0xff, 0xa1]
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def create_palette():
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out = []
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for i in range(len(reds)):
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out.append((reds[i], greens[i], blues[i]))
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return out
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palette = create_palette()
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def image_from_data_raw(data):
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out = Image.new("RGB", (SCREENSHOT_X, SCREENSHOT_Y))
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p = 0
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blue_pixels = 0.0
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for y in range(0, SCREENSHOT_Y):
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for x in range(0, SCREENSHOT_X):
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is_odd = ((x & 1) == 1)
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mask = 0x0f
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shift = 0
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if is_odd:
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mask = 0xf0
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shift = 4
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color = (ord(data[p]) & mask) >> shift
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rgb = palette[color]
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out.putpixel( (x, y), rgb )
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if color == 6:
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blue_pixels = blue_pixels + 1
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if is_odd:
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p = p + 1
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# Interestingness is defined as the inverse proportion of
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# blue pixels on the screen.
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interestingness = 1.0 - (blue_pixels / (SCREENSHOT_X * SCREENSHOT_Y))
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out.interestingness = interestingness
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return out
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def image_from_data(data):
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out = Image.open(data)
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sz = out.size
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blue_pixels = 0.0
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for y in range(0, sz[1]):
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for x in range(0, sz[1]):
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pxl = out.getpixel( (x,y) )
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if pxl == palette[6]:
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blue_pixels = blue_pixels + 1
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interestingness = 1.0 - (blue_pixels / (sz[0] * sz[1]))
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out.interestingness = interestingness
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return out
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def save_image(img, filename):
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img.save(filename)
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if __name__ == "__main__":
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if len(sys.argv) != 2:
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print "Usage: image.py datafile"
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sys.exit(1)
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name = sys.argv[1]
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f = open(name)
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data = f.read()
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f.close()
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img = image_from_data(data)
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save_image(img, name + ".png")
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